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1. Latest three days of Real-Time CAMS global daily analysis and forecast data are available through the FTP dissemination service.
   
   
2. CAMS Global archived analysis and forecast daily data (6 hourly analysis and 3 hourly up-to 5 days forecast data since 05/07/2012, available with a 5-day delay, approximately 40km horizontal resolution (T511 spectral) on 60 vertical levels from the surface up to 0.1 hPa; increased to 137 levels on 09/07/2019 onwards as part of the IFS cycle 46r1 upgrade - see  Implementation of IFS cycle 46r1 for details). These data are available for download through:
   
   • the ECMWF data server web interface: http://apps.ecmwf.int/datasets/data/cams-nrealtime/levtype=sfc/ , one month at a time
   • WebAPI, allowing users to download Global CAMS data in a programmatic way (using Python - example scripts are available)
     
     
3. CAMS global delayed-mode analyses and real-time forecasts of CO₂ and CH₄: On request only - Contact CAMS User Support service (copernicus-support@ecmwf.int)
   
   
4. CAMS Global archived reanalysis data (3-hourly and monthly), 2003-2018, annual releases planned thereafter (i.e. 2019 data available in 2020), approximately 80 km (T255 spectral) on 60 vertical levels from the surface up to 0.1 hPa for the analysed species) are available for download through:
   
   • ADS interactive web interface download forms: CAMS global reanalysis (EAC4) 3-hourly data and CAMS global reanalysis (EAC4) monthly averaged fields
   • CDS API (with ‘dataset’:'eac4'),  allowing users to download Global CAMS data in a programmatic way.
5. CAMS Global archived MACC Reanalysis, 2003-2012, approximately 80 km (T255 spectral) on 60 vertical levels from the surface up to 0.1 hPa for the analysed species) are available for download through:
   • the web using the ECMWF data server web interface: http://apps.ecmwf.int/datasets/data/macc-reanalysis/levtype=sfc/ , one month at a time
   • WebAPI, which is the method allowing users to download Global CAMS data in a programmatic way (using Python - example scripts are available).

See What are the changes from the MACC Reanalysis to the CAMS interim Reanalysis, to the CAMS Reanalysis?